Need help booking?
Unpublished phone-only deals available
GRM to DUM: distance & flight time
Grand Marais (Grand Marais Cook County Airport) → Dumai (Pinang Kampai Airport)
8,947 mi
14,398 km · 7,775 nm
18h 1m
estimated nonstop flight time
+12h
time difference · heading north
See live GRM→DUM fares Phone-only fares on this route — call free
Flight time details
8,947 miles nonstop takes roughly 18h 1m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- GRM — Grand Marais Cook County Airport · Grand Marais, United States
- DUM — Pinang Kampai Airport · Dumai, Indonesia
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near GRM
- YQT · Thunder Bay Airport61 mi away
- LYU · Ely Municipal Airport67 mi away
- YIB · Atikokan Municipal Airport87 mi away
- CMX · Houghton County Memorial Airport100 mi away
Near DUM
- MKZ · Malacca Airport72 mi away
- PKU · Sultan Syarif Kasim Ii (Simpang Tiga) Airport79 mi away
- KUL · Kuala Lumpur International Airport81 mi away
- PPR · Pasir Pangaraan Airport90 mi away
Frequently asked questions
How far is GRM from DUM?
The flight distance from Grand Marais (GRM) to Dumai (DUM) is 8,947 miles (14,398 km, 7,775 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRM to DUM?
A nonstop flight takes about 18h 1m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Grand Marais and Dumai?
Dumai is 12 hours ahead of Grand Marais.
What is the cheapest way to fly from GRM to DUM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–DUM that never appear on search engines, with no booking fees.